Assignee
DIGISONIX INC
US·26 granted patents·1,206 citations·filing 1993–1997
Top patents by PatentIndex Score
26 records- 0196US5706344AAcoustic echo cancellation in an integrated audio and telecommunication systemDIGISONIX INC·Filed 1996·Granted Jan 6, 1998·173 cites·22 claims
- 0290US5586190AActive adaptive control system with weight update selective leakageDIGISONIX INC·Filed 1994·Granted Dec 17, 1996·102 cites·9 claims
- 0384US6094601AAdaptive control system with efficiently constrained adaptationDIGISONIX INC·Filed 1997·Granted Jul 25, 2000·67 cites·63 claims
- 0484US5693918AActive exhaust silencerDIGISONIX INC·Filed 1996·Granted Dec 2, 1997·72 cites·4 claims
- 0583US5715320AActive adaptive selective control systemDIGISONIX INC·Filed 1995·Granted Feb 3, 1998·64 cites·42 claims
- 0678US5386477AActive acoustic control system matching model referenceDIGISONIX INC·Filed 1993·Granted Jan 31, 1995·51 cites·42 claims
- 0777US5602928AMulti-channel communication systemDIGISONIX INC·Filed 1995·Granted Feb 11, 1997·50 cites·24 claims
- 0875US5710822AFrequency selective active adaptive control systemDIGISONIX INC·Filed 1995·Granted Jan 20, 1998·48 cites·72 claims
- 0974US5633795AAdaptive tonal control system with constrained output and adaptationDIGISONIX INC·Filed 1995·Granted May 27, 1997·43 cites·45 claims
- 1074US5541373AActive exhaust silencerDIGISONIX INC·Filed 1994·Granted Jul 30, 1996·42 cites·17 claims
- 1173US5561598AAdaptive control system with selectively constrained ouput and adaptationDIGISONIX INC·Filed 1994·Granted Oct 1, 1996·38 cites·44 claims
- 1271US6496581B1Coupled acoustic echo cancellation systemDIGISONIX INC·Filed 1997·Granted Dec 17, 2002·71 cites·81 claims
- 1370US5590205AAdaptive control system with a corrected-phase filtered error updateDIGISONIX INC·Filed 1994·Granted Dec 31, 1996·32 cites·47 claims
- 1469US5446249ADry acoustic system preventing condensationDIGISONIX INC·Filed 1993·Granted Aug 29, 1995·43 cites·29 claims
- 1567US5701350AActive acoustic control in remote regionsDIGISONIX INC·Filed 1996·Granted Dec 23, 1997·32 cites·20 claims
- 1666US5680337ACoherence optimized active adaptive control systemDIGISONIX INC·Filed 1996·Granted Oct 21, 1997·35 cites·73 claims
- 1766US5621803AActive attenuation system with on-line modeling of feedback pathDIGISONIX INC·Filed 1996·Granted Apr 15, 1997·34 cites·3 claims
- 1862US5586189AActive adaptive control system with spectral leakDIGISONIX INC·Filed 1993·Granted Dec 17, 1996·16 cites·39 claims
- 1954US6295363B1Adaptive passive acoustic attenuation systemDIGISONIX INC·Filed 1997·Granted Sep 25, 2001·20 cites·22 claims
- 2054US5418873AActive acoustic attenuation system with indirect error sensingDIGISONIX INC·Filed 1993·Granted May 23, 1995·20 cites·34 claims
- 2149US5627747ASystem for developing and operating an active sound and vibration control systemDIGISONIX INC·Filed 1994·Granted May 6, 1997·17 cites·41 claims
- 2249US5513266AIntegral active and passive silencerDIGISONIX INC·Filed 1994·Granted Apr 30, 1996·47 cites·44 claims
- 2347US5963651AAdaptive acoustic attenuation system having distributed processing and shared state nodal architectureDIGISONIX INC·Filed 1997·Granted Oct 5, 1999·20 cites·46 claims
- 2447US5420932AActive acoustic attenuation system that decouples wave modes propagating in a waveguideDIGISONIX INC·Filed 1993·Granted May 30, 1995·17 cites·65 claims
- 2546US5602929AFast adapting control system and methodDIGISONIX INC·Filed 1995·Granted Feb 11, 1997·38 cites·13 claims
- 2641US5570425ATransducer daisy chainDIGISONIX INC·Filed 1994·Granted Oct 29, 1996·14 cites·21 claims
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